Anti-government demonstrator's chant slogans against the government during a protest in Caracas, Venezuela, Thursday, Feb. 12, 2015. Friends and foes of Venezuela's socialist government braved pouring rain to stage dueling marches on the anniversary of the protest movement that wracked the country last year. (AP Photo/Ariana Cubillos)
(The Associated Press)

Bolivarian National Guard officers dressed in riot gear, stand on guard under the rain during an opposition protest in Caracas, Venezuela, Thursday, Feb. 12, 2015. Friends and foes of Venezuela's socialist government braved pouring rain to stage dueling marches on the anniversary of the protest movement that wracked the country last year. (AP Photo/Ariana Cubillos)
(The Associated Press)

An opposition demonstrators argues with a Bolivarian National Guard officer during a protest to commemorating the anniversary of the protest movement that wracked the country last year, in Caracas, Venezuela, Thursday, Feb. 12, 2015. Friends and foes of Venezuela's socialist government braved pouring rain to stage dueling marches in the capital. (AP Photo/Fernando Llano)
(The Associated Press)

SAN CRISTOBAL, Venezuela – Protesters clashed with police in this anti-government stronghold Thursday amid a storm of tear gas, rocks and buckshot as Venezuelans staged dueling marches on the anniversary of last year's bloody protest movement.

While demonstrations were mostly calm elsewhere in the country, the anti-government march turned violent in this restive city near the border with Colombia, which was an epicenter of the 2014 movement.

A sea of protesters marched in San Cristobal's streets. Some youths threw projectiles at police officers clad in riot gear, who fired tear gas canisters while onlookers ran in the opposite direction with young children in their arms.

At least five people were injured in the fighting, San Cristobal Mayor Patricia Gutierrez said.

In Caracas, both friends and foes of Venezuela's socialist government braved pouring rain to stage competing marches. A small group of students in Caracas rallied against the government near one of the country's largest universities, but they were outnumbered by lines of riot police.

In a different part of town, a larger number of government supporters marched in a demonstration of support for embattled President Nicolas Maduro. Dozens of government buses could be seen at the start of the route, indicating some marchers were government workers brought in by officials.

Opposition leaders called masses of supporters into the streets last February, setting off months of violent protests that resulted in more than 40 people being killed, including both Maduro supporters and opponents.

Dozens of protesters remain jailed, while the social issues they railed against last year — a faltering economy, widespread shortages and pervasive violent crime — have only gotten worse.

Young people also held informal Masses for those killed around the country Thursday.

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Associated Press writer Luz Dary de Pablos reported this story in San Cristobal and Fabiola Sanchez reported in Caracas.